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US8303851B2 - Mixtures of additives for organic polymers in granular form - Google Patents

Mixtures of additives for organic polymers in granular form Download PDF

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Publication number
US8303851B2
US8303851B2 US12/016,780 US1678008A US8303851B2 US 8303851 B2 US8303851 B2 US 8303851B2 US 1678008 A US1678008 A US 1678008A US 8303851 B2 US8303851 B2 US 8303851B2
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butyl
dyes
group
bis
hydroxyphenyl
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US20080194766A1 (en
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Carlo Neri
Corrado Callierotti
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Si Group USA USAA LLC
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Great Lakes Chemical Europe GmbH
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/005—Stabilisers against oxidation, heat, light, ozone
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/885—Adding charges, i.e. additives with means for treating, e.g. milling, the charges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • B29B7/905—Fillers or reinforcements, e.g. fibres with means for pretreatment of the charges or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B9/14—Making granules characterised by structure or composition fibre-reinforced
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion

Definitions

  • the present invention relates to mixtures of additives for organic polymers in granular form.
  • the present invention relates to mixtures of additives for organic polymers in granular form comprising one or more stabilizers for organic polymers, one or more organic or inorganic pigments and/or one or more dyes, obtained by extrusion at a temperature capable of enabling the partial or total melting of the lowest-melting component and their use in the stabilization and dyeing of organic polymers.
  • the present invention also relates to the polymeric compositions stabilized and dyed with the above mixtures and the end-products obtained by their processing.
  • Solid stabilizing mixtures for organic polymers can be obtained as described, for example, in European patent EP 565,184: the solid mixtures obtained consist of two or more stabilizers for organic polymers but no reference is made to the possibility of introducing organic or inorganic pigments and/or one or more dyes, into these mixtures.
  • organic or inorganic pigments and dyes are also generally in powder form, their use in organic polymers has the same disadvantages described above.
  • the Applicant has now found that it is possible to obtain mixtures of additives for organic polymers in granular form comprising one or more stabilizers for organic polymers, one or more organic or inorganic pigments and/or one or more dyes, by means of extrusion at a temperature capable of enabling the partial or total melting of the lowest-melting component.
  • the extrusion temperature is much lower than the temperature at which the additives are processed in the case of masterbatches, and the additives used are therefore subjected to less thermal stress.
  • carriers are not used, thus avoiding the introduction of foreign components into the organic polymer to which the mixtures are to be added.
  • An object of the present invention therefore relates to mixtures of additives in granular form comprising:
  • Stabilizers for organic polymers useful for the purposes of the present invention are selected from the following groups:
  • Alkylated monophenols such as, for example: 2,6-di-t-butyl-4-methylphenol; 2-t-butyl-4,6-dimethylphenol; 2,6-di-t-butyl-4-ethylphenol; 2,6-di-t-butyl-4-n-butyl-phenol; 2,6-di-t-butyl-4-isobutylphenol; 2,6-dicyclo-pentyl-4-methylphenol; 2-( ⁇ -methylcyclohexyl)-4,6-di-methylphenol; 2,6-dioctadecyl-4-methylphenol; 2,4,6-tri-cyclohexylphenol; 2,6-di-t-butyl-4-methoxymethylphenol; nonylphenols with a linear or branched alkyl chain such as, for example, 2,6-di-nonyl-4-methylphenol; 2,4-dimethyl-6-(1′-methylundec-1′-yl)
  • Alkylthiomethylphenols such as, for example: 2,4-di-octylthiomethyl-6-t-butylphenol; 2,4-dioctylthiomethyl-6-methylphenol; 2,4-dioctylthiomethyl-6-ethylphenol; 2,6-didodecylthiomethyl-4-nonylphenol.
  • Hydroquinones and alkylated hydroquinones such as, for example: 2,6-di-t-butyl-4-methoxyphenol; 2,5-di-t-butylhydroquinone; 2,5-di-t-amylhydroquinone; 2,6-di-phenyl-4-octadecyloxyphenol; 2,6-di-t-butylhydroquinone; 2,5-di-t-butyl-4-hydroxyanisol; 3,5-di-t-butyl-4-hydroxyanisol; 3,5-di-t-butyl-4-hydroxyphenyl stearate; bis(3,5-di-t-butyl-4-hydroxyphenyl)adipate.
  • Tocopherols such as, for example: ⁇ -tocopherol, ⁇ -tocopherol, ⁇ -tocopherol, ⁇ -tocopherol and their mixtures (Vitamin E).
  • Hydroxylated thiodiphenyl ethers such as, for example 2,2′-thiobis-(6-t-butyl-4-methylphenol); 2,2′-thiobis-(4-octylphenol); 4,4′-thiobis-(6-t-butyl-3-methylphenol); 4,4′-thiobis-(6-t-butyl-2-methylphenol); 4,4′-thiobis-(3,6-di-s-amylphenol); 4,4′-bis-(2,6-dimethyl-4-hydroxy-phenyl)disulfide.
  • Alkylidene-bisphenols such as, for example: 2,2′-methylenebis-(6-t-butyl-4-methylphenol); 2,2′-methylene-bis-(6-t-butyl-4-ethylphenol); 2,2′-methylenebis[4-methyl-6-( ⁇ -methylcyclohexyl)phenol]; 2,2′-methylene-bis(4-methyl-6-cyclohexylphenol); 2,2′-methylenebis(6-nonyl-4-methyl-phenol); 2,2′-methylenebis(4,6-di-t-butyl-phenol); 2,2′-ethylidene-bis(4,6-di-t-butylphenol); 2,2′-ethylidenebis(6-t-butyl-4-isobutylphenol); 2,2′-methylene-bis[6-( ⁇ -methylbenzyl)-4-nonylphenol]; 2,2′-methylene-bis[6-( ⁇ , ⁇ -dimethyl
  • Benzyl compounds containing O, N or S such as, for example: 3,5,3′,5′-tetra-t-butyl-4,4′-dihydroxydibenzylether; octadecyl-4-hydroxy-3,5-dimethylbenzylmercaptoacetate; tridecyl-4-hydroxy-3,5-di-t-butyl-benzylmercaptoacetate; tris(3,5-di-t-butyl-4-hydroxybenzyl)amine; bis(4-t-butyl-3-hydroxy-2,6-dimethylbenzyl)dithioterephthalate; bis(3,5-di-t-butyl-4-hydroxybenzyl)sulfide; iso-octyl-3,5-di-t-butyl-4-hydroxybenzylmercaptoacetate.
  • Hydroxybenzylated malonates such as, for example: dioctadecyl-2,2-bis(3,5-di-t-butyl-2-hydroxybenzyl)malonate; dioctadecyl-2-(3-t-butyl-4-hydroxy-5-methylbenzyl)malonate; didodecylmercaptoethyl-2,2-bis(3,5-di-t-butyl-4-hydroxybenzyl)malonate; bis[4-(1,1,3,3-tetramethylbutyl)phenyl]-2,2-bis(3,5-di-t-butyl-4-hydroxybenzyl)malonate.
  • Aromatic hydroxybenzyl compounds such as, for example: 1,3,5-tris(3,5-di-t-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene; 1,4-bis-(3,5-di-t-butylhydroxybenzyl)-2,3,5,6-tetramethylbenzene; 2,4,6-tris(3,5-di-t-butyl-4-hydroxybenzyl)phenol.
  • Triazine compounds such as, for example: 2,4-bis(octylmercapto)-6-(3,5-di-t-butyl-4-hydroxyanilino)-1,3,5-triazine; 2-octylmercapto-4,6-bis (3,5-di-t-butyl-4-hydroxyanilino)-1,3,5-triazine; 2-octylmercapto-4,6-bis-(3,5-di-t-butyl-4-hydroxyphenoxy)-1,3,5-triazine; 2,4,6-tris-(3,5-di-t-butyl-4-hydroxyphenoxy)-1,2,3-triazine; 1,3,5-tris (3,5-di-t-butyl-4-hydroxybenzyl)isocyanurate; 1,3,5-tris(4-t-butyl-3-hydroxy-2,6-dimethylbenzyl)iso-cyanurate; 2,4,6-tris-(
  • Benzylphosphonates such as, for example: dimethyl-2,5-di-t-butyl-4-hydroxybenzylphosphonate; diethyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate; dioctadecyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate; dioctadecyl-5-t-butyl-4-hydroxy-3-methylbenzylphosphonate; calcium salts of monoethyl ester of 3,5-di-t-butyl-4-hydroxybenzylphosphonic acid.
  • esters of ⁇ -(5-t-butyl-4-hydroxy-3-methylphenyl)propionic acid with monohydric or polyhydric alcohols such as, for example: methanol, ethanol, n-octanol, i-octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N′-bis-(hydroxyethyl)examide, 3-thioundecanol, 3-thiopentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospho-2,6,7-trioxabicyclo[2.2.2]-oc
  • esters of ⁇ -(3,5-dicyclohexyl-4-hydroxyphenyl)propionic acid with monohydric or polyhydric alcohols such as, for example: methanol, ethanol, n-octanol, i-octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N′-bis-(hydroxyethyl)oxamide, 3-thioundecanol, 3-thiopentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospho-2,6,7-trioxabicyclo[2.2.2]-o
  • esters of (3,5-di-t-butyl-4-hydroxyphenyl)acetic acid with monohydric or polyhydric alcohols such as, for example: methanol, ethanol, n-octanol, i-octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl) isocyanurate, N,N′-bis (hydroxyethyl) oxamide, 3-thioundecanol, 3-thiopentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospho-2,6,7-trioxabicyclo[2.2.2]-octan
  • Amine antioxidants such as, for example, N,N′-di-isopropyl-p-phenylenediamine; N,N′-di-s-butyl-p-phenylenediamine; N,N′-bis (1,4-dimethylpentyl)-p-phenylenediamine; N,N′-bis(1-ethyl-3-methylpentyl)-p-phenylenediamine; N,N′-bis(1-methylheptyl)-p-phenylenediamine; N,N′-dicyclohexyl-p-phenylenediamine; N,N′-diphenyl-p-phenylenediamine; N,N′-bis(2-naphthyl)-p-phenylenediamine; N-isopropyl-N′-phenyl-p-phenylenediamine; N-(1,3-dimethylbutyl-phenylenediamine;
  • 2-(2′-hydroxyphenyl)benzotriazoles such as, for example: 2-(2′-hydroxy-5′methylphenyl)benzotriazole; 2-(3′,5′-di-t-butyl-2′-hydroxyphenyl)benzotriazole; 2-(5′-t-butyl-2′-hydroxyphenyl)benzotriazole; 2-[2′-hydroxy-5′-(1,1,3,3-tetramethylbutyl)phenyl]benzotriazole; 2-(3′,5′-di-t-butyl-2′-hydroxyphenyl)-5-chlorobenzotriazole; 2-(3′-t-butyl-2′-hydroxy-5′-methylphenyl)-5-chlorobenzotriazole; 2-(3′-s-butyl-5′-t-butyl-2′-hydroxyphenyl)benzotriazole; 2-(2′-hydroxy-4′-oc
  • 2-hydroxybenzophenones such as, for example: 4-hydroxy-; 4-methoxy-; 4-octyloxy-; 4-decyloxy-; 4-dodecyloxy-; 4-benzyloxy-; 4,2′,4′-trihydroxy-; 2′-hydroxy-4,4′-dimethoxy.
  • Esters of benzoic acids optionally substituted, such as, for example: phenyl salicylate, 4-t-butylphenyl salicylate, octylphenyl salicylate, benzoyl resorcinol, bis(4-t-butylbenzoyl)resorcinol, dibenzoyl resorcinol, 2,4-di-t-butylphenyl-3,5-di-t-butyl-4-hydroxybenzoate, hexadecyl-3,5-di-t-butyl-4-hydroxybenzoate, octadecyl-3,5-di-t-butyl-4-hydroxybenzoate, 2-methyl-4,6-di-t-butylphenyl-3,5-di-t-butyl-4-hydroxybenzoate.
  • benzoyl resorcinol bis(4-t-butylbenzoyl)resorcinol, dibenzo
  • Acrylates such as, for example, ethyl or isoctyl ⁇ -cyano- ⁇ , ⁇ -diphenylacrylate; methyl ⁇ -carbomethoxycinnamate, methyl or butyl ⁇ -cyano- ⁇ -methyl-p-methoxycinnamate, methyl ⁇ -carbomethoxy-p-methoxycinnamate, N-( ⁇ -carbomethoxy- ⁇ -cyanovinyl)-2-methylindoline.
  • Nickel compounds such as, for example, Ni complexes of 2,2′-thio-bis-[4-(1,1,3,3-tetramethylbutyl)phenol], for example 1:1 or 1:2 complexes, with or without additional binders such as n-butylamine, triethanolamine or N-cyclohexyldiethanolamine, nickel dibutyldithiocarbamate, nickel salts of monoalkyl esters of 4-hydroxy-3,5-di-t-butyl-benzyl-phosphonic acid, such as methyl or ethyl esters, nickel complexes with ketoximes such as 2-hydroxy-4-methylphenyl undecylketoxime, nickel complexes of 1-phenyl-4-lauroyl-5-hydroxypyrazol with or without additional binders.
  • additional binders such as n-butylamine, triethanolamine or N-cyclohexyldiethanolamine, nickel dibutyldithiocarbamate, nickel salts of monoalkyl
  • Sterically hindered amines and their N-alkoxy derivatives such as, for example: poly-methylpropyl-3-oxy-[4-(2,2,6,6-tetramethyl)piperidinyl]siloxane, polymethylpropyl-3-oxy-[4-(1,2,2,6,6-pentamethyl)piperidinyl]siloxane, bis-(2,2,6,6-tetramethyl-4-piperidinyl)sebacate; bis (2,2,6,6-tetramethyl-4-piperidinyl)succinate; bis (1,2,2,6,6-pentamethyl-4-piperidinyl)sebacate; bis(1-octyloxy-2,2,6,6-tetramethyl-4-piperidinyl)sebacate; bis-(1,2,2,6,6-pentamethyl-4-piperidyl)n-butyl-3,5-di-t-butyl-4-hydroxybenzylmalonate; condensation product between 1-
  • Oxamides such as, for example: 4,4′-dioctyloxyoxanilide; 2,2′-diethoxyoxanilide; 2,2′-dioctyloxy-5,5′-di-t-butoxanilide; 2,2′-didodecyloxy-5,5′-di-t-butoxanilide; 2-ethoxy-2′-ethyloxanilide; N,N′-bis(3-dimethylaminopropyl)oxamide; 2-ethoxy-5-t-butyl-2′-ethoxanilide and its mixtures with 2-ethoxy-2′-ethyl-5,4′-di-t-butoxanilide; and mixtures of disubstituted ortho- and para-methoxy oxanilides and mixtures of disubstituted ortho and para-ethoxy oxanilides.
  • 2-(2-hydroxyphenyl)-1,3,5-triazines such as, for example: 2,4,6-tris(2-hydroxy-4-octyloxyphenyl)-1,3,5-triazine; 2-(2-hydroxy-4-octyloxyphenyl)-4,6-bis(2,4-dimethylphenyl)-1,3,5-triazine; 2-(2,4-dihydroxyphenyl)-4,6-bis-(2,4-dimethylphenyl)-1,3,5-triazine; 2,4-bis-(2-hydroxy-4-propyloxyphenyl)-6-(2,4-dimethylphenyl)-1,3,5-triazine; 2-(2-hydroxy-4-octyloxyphenyl)-4,6-bis(4-methylphenyl)-1,3,5-triazine; 2-(2-hydroxy-4-dodecyloxyphenyl)-4,6-bis(2,4-dimethylphenyl)-1,3,5-
  • Metal-deactivators such as, for example: N,N′-diphenyloxamide, N-salicylal-N′-salicyloyl-hydrazine, N,N′-bis(salicyloyl)hydrazine, N,N′-bis(3,5-di-t-butyl-4-hydroxyphenylpropionyl)hydrazine, 3-salicyloylamino-1,2,4-triazole, bis (benzylidene)oxallyl dihydrazide, oxanilide, isophthaloyl dihydrazide, sebacoyl bisphenylhydrazide, N,N′-diacetyladipoyl dihydrazide, N,N′-bis (salicyloyl)oxallyl dihydrazide, N,-N′-bis(salicyloyl) thiopropionyl dihydrazide.
  • Phosphites and phosphonites such as, for example: triphenyl phosphite, diphenyl alkyl phosphites, phenyl dialkyl phosphites, tris(nonylphenyl)phosphite, trilauryl phosphite, trioctadecyl phosphite, distearyl pentaerythritol diphosphite, tris(2,4-di-t-butylphenyl) phosphite, diisodecyl pentaerythritol diphosphite, bis(2,4-di-t-butylphenyl) pentaerythritol diphosphite, bis(2,6-di-t-butyl-4-methylphenyl)pentaerythritol diphosphite, diisodecyloxypentaerythritol diphosphite, bis(2,
  • Hydroxylamines such as, for example: N,N-dibenzylhydroxylamine; N,N-diethylhydroxylamine; N,N-dioctylhydroxylamine; N,N-dilaurylhydroxylamine; N,N-ditetradecylhydroxylamine; N,N-dihexadecylhydroxylamine; N,N-dioctadecylhydroxylamine; N-hexadecyl-N-octadecylhydroxylamine; N-heptadecyl-N-octadecylhydroxylamine; N,N-dialkylhydroxylamines deriving from hydrogenated tallow amines. 6.
  • Nitrons such as, for example: N-benzyl- ⁇ -phenyl-nitron; N-ethyl- ⁇ -methyl-nitron; N-octyl- ⁇ -heptyl-nitron; N-lauryl- ⁇ -undecyl-nitron; N-tetradecyl- ⁇ -tridecyl-nitron; N-hexadecyl- ⁇ -pentadecyl-nitron; N-octadecyl- ⁇ -heptadecyl-nitron; N-hexadecyl- ⁇ -heptadecyl-nitron; N-octadecyl- ⁇ -pentadecyl-nitron; N-heptadecyl- ⁇ -heptadecyl-nitron; N-octadecyl- ⁇ -hexadecyl-nitron; nitrons deriving from hydrogenated tallow amines.
  • Thiosynergizing agents such as, for example: dilauryl thiodipropionate; distearyl thiodipropionate.
  • Agents which are capable of destroying peroxides such as, for example, esters of ⁇ -thiodipropionic acid such as lauryl, stearyl, myristyl or tridecyl esters, mercaptobenzimidazole or zinc salt of 2-mercaptobenzimidazole, zinc dibutyldithiocarbamate, dioctadecyldisulfide, pentaerythritol tetrakis( ⁇ -dodecylmercapto)propionate.
  • esters of ⁇ -thiodipropionic acid such as lauryl, stearyl, myristyl or tridecyl esters
  • mercaptobenzimidazole or zinc salt of 2-mercaptobenzimidazole zinc dibutyldi
  • Polyamide stabilizers such as, for example, copper salts combined with compounds of iodine and/or phosphorous, divalent manganese salts.
  • Basic co-stabilizers such as, for example: melamine, polyvinylpyrrolidone, dicyanodiamide, triallyl cyanurate, derivatives of urea, derivatives of hydrazine, amines, polyamides, polyurethanes, salts of alkaline metals and salts of earth-alkaline metals of fatty acids with a high molecular weight such as, for example, Ca-stearate, Zn-stearate, Mg-stearate, Mg-behenate, Na-ricinoleate, K-palmitate, antimonium-pyrocatecholate, tin-pyrocatecholate, zinc-pyrocatecholate.
  • Nucleating agents such as, for example: inorganic substances such as talc, metal oxides (for example, titanium dioxide or magnesium oxide), phosphates, carbonates or sulfates (preferably of earth-alkaline metals); organic compounds such as mono- or polycarboxylic acids and their salts (for example, 4-t-butylbenzoic acid, adipic acid, diphenylacetic acid, sodium succinate, sodium benzoate); polymeric compounds such as ionic copolymers (“ionomers”). 12.
  • inorganic substances such as talc, metal oxides (for example, titanium dioxide or magnesium oxide), phosphates, carbonates or sulfates (preferably of earth-alkaline metals); organic compounds such as mono- or polycarboxylic acids and their salts (for example, 4-t-butylbenzoic acid, adipic acid, diphenylacetic acid, sodium succinate, sodium benzoate); polymeric compounds such as ionic copolymers (“ionomers”). 12.
  • Fillers and reinforcing agents such as, for example: calcium carbonate, silicates, glass fibres, glass beads, asbestos, talc, kaolin, mica, barium sulfate, metal oxides and hydroxides, carbon black, graphite, wood flour and flours or fibres of other natural products, synthetic fibres. 13.
  • Other additives such as, for example: plasticizers, lubricants, emulsifying agents, Theological additives, catalysts, slip agents, optical brighteners, flame-retardants (for example bromurates, chlorurates, phosphorates and phosphorous/halogen mixtures), antistatic agents, blowing agents. 14.
  • Benzofuranones and indolinones such as, for example: 3-[4-(2-acetoxyethoxy)phenyl]-5,7-di-t-butyl-benzofuran-2-one; 5,7-di-t-butyl-3-[4-(2-stearoyloxyethoxy)phenyl]benzofuran-2-one; 3,3′-bis[5,7-di-t-butyl-3-[4-(2-hydroxyethoxy)phenyl]benzofuran-2-one]; 5,7-di-t-butyl-3-(4-ethoxyphenyl)benzofuran-2-one; 3-(4-acetoxy-3,5-dimethylphenyl)-5,7-di-t-butyl-benzofuran-2-one; 3-(3,5-dimethyl-4-pivaloyloxyphenyl)-5,7-di-t-butyl-benzofuran-2-one; or those described in
  • Organic pigments which can be used for the purposes of the present invention are selected from organic pigments of the azo type, azomethines, anthraquinones, perilenes, dioxazines, thioindigo reds, quinacridones, phthalocyanines, blue indanthrones, carbazoles (for example, purple carbazole), isoindolinones, isoindolones, benzimilazolinones, or their metal salts, etc.
  • Inorganic pigments which can be used for the purposes of the present invention are selected from metal oxides such as, for example, titanium dioxide, iron oxide of various colors, zinc oxide, carbon black, filler pigments such as, for example, talc, China clay, barites, carbonates, silicates, sulfosilicates, etc.
  • metal oxides such as, for example, titanium dioxide, iron oxide of various colors, zinc oxide, carbon black
  • filler pigments such as, for example, talc, China clay, barites, carbonates, silicates, sulfosilicates, etc.
  • Dyes a term herein also referring to bleaching agents, useful for the purposes of the present invention are selected from dyes which are soluble, insoluble or only slightly soluble in water.
  • Dyes soluble in water are, for example, acid dyes such as nitro dyes, aminoketones, ketone-imines, methines, nitrodiphenylamines, quinolines, aminonaphthoquinones, coumarins, anthraquinones, azo dyes such as monoazo or diazo dyes.
  • acid dyes such as nitro dyes, aminoketones, ketone-imines, methines, nitrodiphenylamines, quinolines, aminonaphthoquinones, coumarins, anthraquinones
  • azo dyes such as monoazo or diazo dyes.
  • These dyes contain one or more anionic groups soluble in water such as, for example, a carboxylic acid group or a sulfonic acid group and they are generally in the form of salts such as, for example, lithium, sodium, potassium or ammonium salts.
  • the above dyes can also be salts such as chlorides, sulfates, metasulfates, or -onium chlorides or metal halides such as, for example, tetrachlorozincates of azo dyes (monoazo, diazo or polyazo); anthraquinones, phthalocyanines, diarylmethane and triarylmethane; methine, polymethine and azomethine; thiazoles, ketone-imines, acridines, cyanines, nitro dyes, quinolines, benzimidazoles, xanthenes, azines, oxazines, thiazines and triazines which have at least one quaternary nitrogen in the molecule.
  • salts such as chlorides, sulfates, metasulfates, or -onium chlorides or metal halides
  • azo dyes monoazo, diazo or polyazo
  • anthraquinones phthalocyanines, diarylme
  • Dyes which are insoluble or only slightly soluble in water useful for the purposes of the present invention are selected from dyes containing sulfur, disperse dyes or vat dyes.
  • Disperse dyes are selected from nitro dyes, aminoketones, ketone-imines, methines, polymethines, diphenylamines, quinolines, benzimidazoles, xanthene, oxazines, aminonaphthoquinones, coumarins which do not contain carboxylic acid or sulfonic acid groups and are, in particular, anthraquinones and azo dyes such as monoazo and diazo dyes.
  • Vat dyes are those applied to fabrics in dispersed solid form and, after development, are still present in a form which is insoluble in water.
  • the stabilizers for organic polymers, organic or inorganic pigments and dyes are used in any ratio, depending on the end-use.
  • organic polymers examples of organic polymers to which they can be added are:
  • Polymers of mono-olefins and di-olefins such as, for example, polypropylene, polyisobutylene, polybut-1-ene, poly-4-methylpent-1-ene, polyisoprene or polybutadiene; as well as polymers of cyclo-olefins such as, for example, cyclopentene or norbornene; polyethylene (which can be optionally cross-linked) such as, for example, high density polyethylene (HDPE), high density and high molecular weight polyethylene (HDPE-HMW), high density and ultrahigh molecular weight polyethylene (HDPE-UHMW), medium density polyethylene (MDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDPE), branched low density polyethylene (BLDPE), (VLDPE), (ULDPE).
  • HDPE high density polyethylene
  • HDPE-HMW high density and high molecular weight polyethylene
  • HDPE-UHMW high density and ultrahigh molecular weight polyethylene
  • Polyolefins such as, for example, the mono-olefins mentioned in the above paragraph, preferably polyethylene and polypropylene, can be prepared with various methods known in literature, preferably using the following methods:
  • the present invention also relates to polymeric compositions containing an organic polymer and an effective quantity of one of the above mixtures of additives.
  • the mixtures of additives, object of the present invention are particularly useful in the stabilization and dyeing of organic polymers selected from those listed above.
  • a further object of the present invention relates to the end-products obtained from the processing of the above polymeric compositions.
  • the mixtures of additives, object of the present invention are added to the organic polymers to be stabilized in a quantity ranging from 0.01% to 5% with respect to the total weight of the polymer to be stabilized, preferably from 0.05% to 3%, even more preferably from 0.1% to 1%.
  • the mixtures of additives, object of the present invention can be incorporated into the organic polymer to be stabilized by means of the known techniques.
  • the mixtures of additives, object of the present invention are obtained, as already mentioned, by the extrusion of powder mixtures of the different components, operating at such a temperature as to ensure that at least a small part of the lowest-melting component melts.
  • a solid “spaghetto” is thus obtained which, after appropriate cooling, can be granulated by cutting at the extruder head or by subsequent fragmentation.
  • the above homogenized mixture is fed to a Brabender laboratory extruder having a screw feeder of 475 mm in length, 19 mm in diameter and with a compression ratio of 1:4, which has the possibility of differentiated heating in four different zones of the screw feeder.
  • the mixture is extruded through a 2.5 mm diameter hole, with a rotation rate of the screw feeder of 90 rpm and a temperature profile of 150° C., 135° C., 110° C., 130° C.
  • a “spaghetto” is obtained which, after cooling to room temperature, is cut up into violet granules, not containing powders, having dimensions of about 2-2.5 mm.

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  • Compositions Of Macromolecular Compounds (AREA)
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KR100413185B1 (ko) * 2001-10-29 2003-12-31 한국과학기술원 반응형 유화제를 이용한 박리형 아크릴레이트수지/층상실리케이트 나노복합체의 제조방법
KR100853088B1 (ko) * 2006-03-14 2008-08-19 주식회사 엘지화학 광색성 염료의 나노 캡슐화 방법
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EP2199331A1 (en) * 2008-12-22 2010-06-23 Borealis AG Polyolefin composition for water pipes with improved chlorine resistance
EP2524944A1 (en) * 2011-05-19 2012-11-21 Trading and Marketing Consultants Palmarole AG Colouring composition for thermoplastic polymers and process of preparing and using same
IL218083A0 (en) * 2012-02-13 2012-03-29 Nilit Ltd Polyamide fabric enhancing body warming
CN105874015B (zh) * 2013-12-30 2019-01-18 3M创新有限公司 染料、由其制备的填料、包括填料的组合物以及确定此类组合物的固化度的方法
CN112812203B (zh) * 2020-12-22 2022-06-17 西北工业大学 一种引发剂及聚合物/金属氧化物复合材料的制备方法

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ITMI992205A1 (it) 2001-04-21
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